产品描述

Appearance:A fine white or almost white odorless powder

Particle size:98% pass 120 mesh

Assay (as α- cellulose, dry basis):>=97%

Water-soluble matter    =< 0.24%

Sulphated ash    =< 0.5%

pH (10% solution)    5.0- 7.5

Loss on drying    =< 7%

Starch    Negative

Carboxyl groups    =< 1%

Lead    =< 5 mg/ kg

Arsenic    =< 3 mg/ kg

Mercury    =< 1 mg/ kg

Cadmium    =< 1 mg/ kg

Heavy metals (as Pb)    =< 10 mg/ kg

Total plate count    =< 1000 cfu/g

Yeast and mould    =< 100 cfu/g

E. coli/ 5g    Negative

Salmonella/ 10g    Negative